Bio-based Plastics

CO2 Capture Coupled Electrolytic Hydrogen Production Technology

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2024 Plastic Chemical Recycling and Bio-based Plastics Forumwill be held on September 24 in Zhoushan, discussing market opportunities for chemical recycling of plastics and bio-based plastics, waste plastic chemical recycling technologies, projects and advanced equipment, high-performance catalysts and adsorbents assisting in the purification of waste plastic pyrolysis oil, the advantages of bio-refining integrated projects based … Read more

The Power of sed Command in Linux: Replacement Techniques

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The Power of sed Command in Linux: Replacement Techniques

The replacement function of sed is very powerful and is also the most common use of sed. By default, sed does not actually modify the file. If you want to write the modified content back to the file, you need to add the -i option. Command syntax: sed ‘[address range|pattern range] s#[keyword to be replaced]#[replacement … Read more

The Three Musketeers of Linux: Mastering Regular Expressions, AWK, and Sed

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The Three Musketeers of Linux: Mastering Regular Expressions, AWK, and Sed

Regular Expressions Basic regular expression ( ^, s, ., [], *) metacharacters Linux regular expressions are tools used for processing large amounts of strings, defining a set of rules and methods to match specific text patterns. Regular expressions consist of ordinary characters (such as letters a to z) and special characters (also known as metacharacters) … Read more

The Three Musketeers of Linux Commands – Using sed for Search and Append

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The Three Musketeers of Linux Commands - Using sed for Search and Append

Introduction to sed sed is short for Stream Editor, also known as a stream editor. sed works like an assembly line in a workshop, where the characters to be processed are the raw materials on the assembly line, and after processing by sed, they become the finished goods. sed is mainly used in the following … Read more